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ASL Mini Phono

I'm looking for a temporary solution to a problem I have with brightness in my system, and I am considering buying the Antique Sound Lab Mini Phono, which seems to be well constructed, cheap n' cheerful, and best of all has tubes. Eventually (probably soon) I will move this to my secondary system, unless it turns out to be terrific. Does anyone out there own this phono stage? I don't want to spend more than roughly $300, so I will accept suggestions. Remember, I am not looking for state of the art, I am looking for musical, smooth, fun, cheap, and giant killer! I'd also like experiences with the NAD PP2, Rotel, and others in this price range. Please help!
johnnantais

Showing 2 responses by mingles

mingles
792 posts
 
I'm late to this forum, but recently bought an ASL Mini Phono. I'm a big fan of tube phono stages and figured this was a bargain for $200. I'm not aware of any other $200 tube phono stage with a decent power supply like this one has. Mainly, I want to see how good this unit can sound with some modest upgrades.

I'm going to replace the cheap Bennic caps with 0.1 uF KY40 for the input and 1.0 uF Dynamicaps for the output. I'm also going to change all the resistors to low noise PRP and swap in Silver Mica and Relcap for the RIAA caps. I'll also upgrade the cheap Wincap electrolytics with some decent Panasonic.

All told, I plan to spend about $75 on parts. If it compares favorably with a Bottlehead Seduction, I'll be very happy.

I'm sketching out the circuit diagram. I'd be happy to share it with anyone along with my modifications which are easy to do. Just shoot me a message.

-Mark
mingles
792 posts
 
John, the Mini Phono is quite a bit different than your preamp. If you're serious about upgrading the circuit, Jim McShane has the experience and the track record to help you. I've worked with him in the past and can vouch for his expertise. He'll need a link to the circuit. You'll find that here: ASL AQ 2006DT
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